BMW 6 Series E24 (1982 - 1989) Rear Trailing Arm Bush - PFR5-606BLK PFR5-606 is a concentric bush and not adjustable, for an on-car adjustable bush use PFR5-606G. Not suitable for E32 740 & 750 models or the E34 M5, all of which use a sliding bearing type bush. - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!